The Ultimate Mid-Sized Off-Road Electric Bike for 2023 And Beyond
The Sur Ron Ultra Bee is a mid-sized off-road electric bike that takes performance to a whole new level. Its 4th generation power platform delivers precision lightweight handling and smooth power output, while its refined off-road traction control system helps you conquer obstacles on your ride.
The Sur Ron Ultra Bee is powered by a 72V 35Ah battery pack that provides up to 50 miles of range on a single charge. The bike’s motor is capable of producing 6,000 watts of peak power, which is more than enough to power through even the most challenging terrain.
The Ultra Bee’s lightweight frame is made from aircraft-grade aluminum, which helps to keep the bike’s weight down to just 340 pounds. This makes it one of the lightest electric bikes on the market, and it also contributes to the bike’s agile handling.
The Ultra Bee’s suspension is top-of-the-line, with 100mm of travel in the front and rear. This allows the bike to soak up bumps and ruts with ease, even at high speeds.
The Ultra Bee also features a number of advanced features, including a regenerative braking system, a digital display, and a USB charging port.
The Sur Ron Ultra Bee is the ultimate mid-sized off-road electric bike. It’s packed with features and performance that will take your riding to the next level. If you’re looking for an electric bike that can handle anything you throw at it, the Ultra Bee is the bike for you.
- 12,500W high torque motor
- top speed of 56 mph
- 87-mile range
- 4.5-hour recharge time
- torque of 440Nm
- Titanium gold four piston brakes
- 74V 55AH Lithium-ion Battery pack
- 60V 30Ah silent charger
- Motor, controller, display, and battery are covered by a 12-month warranty.
- Sur Rons high temperature motor features high-grade permanent magnets that can withstand up to 180° degrees. This motor boasts an electronic brake function to improve braking performance. This Electric Dirt Bike also includes an FOC vector controller into the motor that features a multi-curve compounding algorithm which adjusts motor speed, torque, turning speed, and current intensity by learning your driving habits for a smooth and agile riding experience.
- New Innovative Powertrain the Surron 4th generation powertrain was designed uniquely for Ultra Bee. Its special full isolated electrical architecture can avoid potential interference between high and low voltage circuit components. The combination of 74V55AH battery pack and 12.5KW / 440N.m torque drivetrain makes Ultra Bee a lighting quick track or trail weapon allowing you to push your limits to the maximum. Riding Mode Switch ECO/DAILY/SPORT/Reverse four riding mode available, all our new designed switches have been ergonomically designed so that they are easy to operate, even with you are dashing through a tight line without taking your eyes off the road. With improved Reverse Mode, it makes your riding with more confident, never worried about stuck in the trail again.
- Full Adjustable Suspension System featuring a newly invented suspension system with 240mm travel providing a wide range of adjustability for maximum safety and comfort while riding on both dirt roads and street. The unique chassis design and steering bump stops provides more protection from damage in the event of a fall.
- Featured across all the Ultra Bee range, the Surround Traction Control System (SRTC) is the latest multi-condition off-road traction control system. The SRTC has three rider selectable settings controlled by just one button, giving the rider the ability to find the optimal control in any off-road condition.
- DNM rear suspension featuring a multi-link structure. Progressive magnification for varied styles of riding.
- This model boasts a huge range of 87 miles that most bikes can’t touch. Riding style and terrain conditions may affect your range.
- lightning-fast acceleration and blistering top speed of 50 miles an hour.
- High Performance 74V 55Ah Li-ion Battery Pack. The brand new, structured battery pack (4070wh) brings high power density and battery cycle life (up to 1500 times*), while achieving an even lower battery discharge temperature raise rate. This new design improves battery pack reliability and continuous discharge capability. The total weight of 20.5kg has achieved an industry-leading power density of 200Wh/kg.*After a full cycle life of approx. 1500 times, the battery pack can still maintain the state of health over 80%.
- 60V 30Ah silent charger that features over charge/discharge protection, high temp protection, and under voltage protection with a fast charge of 4 hours.
- Riding Anytime. A hidden space under the seat is designed specifically for the Ultra Bee’s charger. With a reserved air-cooling duct, recharging with your Ultra Bee charger on your bike is possible. No heavier backpack is required to take your charger along for the ride. No more worry about lack of power. All you need now is focus on ADVENTURE. Charge wherever and whenever you want.
For 7 days after the delivery date, we can replace any part that is deemed defective from manufacturing.
The power system (motor, controller, display and battery) has a 12-month limited warranty. Chassis, swing arm and other none wear part have a 12-month warranty.
We do have exclusions for normal wear components (such as bearings, seals, chain, brake components, suspension valving), as well as misuse or failure caused by damages due to accident, collisions, or neglect. Misuse also includes altering any wiring, or installing any non-genuine parts, as well as any use for racing. Any misuse in charging, storing, or discharging will void this limited warranty. Limited warranties are non-transferable, and you must have proof of purchase from us before asking for warranty replacement.
FREE SHIPPING – Please note, due to high demand shipping times can take up to 6-8 weeks.